Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290426 | High porosity, high surface area isomerization catalyst and its use | David H. Dumfries, Arthur H. Neal, Kenneth L. Riley | 1994-03-01 |
| 5200382 | Catalyst comprising thin shell of catalytically active material bonded onto an inert core | Mahmoud M. Hafez, David N. Zinkie | 1993-04-06 |
| 5182248 | High porosity, high surface area isomerization catalyst | David H. Dumfries, Arthur H. Neal, Kenneth L. Riley | 1993-01-26 |
| 5158671 | Method for stabilizing hydroisomerates | Donald T. Eadie, John MacDonald, Glen P. Hamner | 1992-10-27 |
| 5158670 | Hydrocarbon catalytic cracking utilizing a precoked catalyst | Gordon F. Stuntz, William G. McKnight | 1992-10-27 |
| 5059299 | Method for isomerizing wax to lube base oils | James D. Bell, Theodore H. West, William A. Wachter, Biddanda U. Achia | 1991-10-22 |
| 4992159 | Upgrading waxy distillates and raffinates by the process of hydrotreating and hydroisomerization | David L. Brown | 1991-02-12 |
| 4985135 | Surface silylated zeolite cataysts, and processes for the preparation, and use of said catalysts in the production of high octane gasoline | Glen P. Hamner | 1991-01-15 |
| 4959337 | Wax isomerization catalyst and method for its production | — | 1990-09-25 |
| 4937399 | Method for isomerizing wax to lube base oils using a sized isomerization catalyst | William A. Wachter, Glen P. Hamner, Biddanda U. Achia | 1990-06-26 |
| 4929795 | Method for isomerizing wax to lube base oils using an isomerization catalyst | Glen P. Hamner, James T. Schorfheide | 1990-05-29 |
| 4923588 | Wax isomerization using small particle low fluoride content catalysts | David L. Brown | 1990-05-08 |
| 4906601 | Small particle low fluoride content catalyst | David L. Brown | 1990-03-06 |
| 4906599 | Surface silylated zeolite catalysts, and processes for the preparation, and use of said catalysts in the production of high octane gasoline | — | 1990-03-06 |
| 4900707 | Method for producing a wax isomerization catalyst | Glen P. Hamner, Willard H. Sawyer, James J. Schorfheide | 1990-02-13 |
| 4570027 | Alkylation of aromatic molecules using a silica-alumina catalyst derived from zeolite | Heather A. Boucher | 1986-02-11 |
| 4515681 | Catalytic dewaxing using collapsed large pore zeolites | — | 1985-05-07 |
| 4451572 | Production of surface modified zeolites for shape selective catalysis | — | 1984-05-29 |
| 4390414 | Selective dewaxing of hydrocarbon oil using surface-modified zeolites | — | 1983-06-28 |